User Manual for PC-80D Easy ECG Monitor2411 Maintenance1. Please change the batteries, when appears low-voltage icon.2. It is recommended to wipe the metal electrode with medical alcohol, when the measuring signal is too weak.3. Please wipe the surface of the unit with clean cloth or let it dry in air.4. Please take out the batteries if the unit will not be used for a long time.5. Storage and TransportationAmbient temperature: -20 to 60ºCRelative humidity: 10~ 95%Atmospheric pressure: 50~107.4KPa6. In case any indication of damage about the function of the monitor,it is not allowed to apply it to the patient for any monitoring. Please contact thelocal dealer or our company in case of any problems. We are to offer you the best solution for your satisfaction.7. The maintenance is to extend the life of the electrodes; on the surface of the electrodes you should clean it by wet cloth or medical alcohol ifnecessary. It is recommended to protect the electrodes from ultraviolet radiation; do not wipe the electrodes with hard and rough things.Notes:1. Keep it away from corrosive substances, explosive substances, high/low temperature and moisture.2. If the device gets wet or has water steam, please stop operating it.3. When it is taken from cold environment to warm and humid environment, please do not use it immediately.4. DO NOT operate the button on front panel with sharp materials.5. DO NOT immerge the device into liquid. Do NOT spray any liquid on it directly.6. The life of this unit is 5 years. In order to ensure its long service life, please pay attention to the use of maintenance.